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Asset Impairment Charges [Abstract]

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Name	AssetImpairmentChargesAbstract
Namespace	http://fasb.org/us-gaap/2021-01-31
Prefix	us-gaap
Data type	xbrli:stringItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	True

Text	Lang	Role	Container role
Asset Impairment Charges [Abstract]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Value	Role
elementCreationTaxonomyVersion	2008	http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote

Name	Relation Type	Role
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Exploration Abandonment and Impairment Expense `us-gaap:ExplorationAbandonmentAndImpairmentExpense`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Oil and Gas Properties `us-gaap:ImpairmentOfOilAndGasProperties`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Exploration Abandonment and Impairment Expense `us-gaap:ExplorationAbandonmentAndImpairmentExpense`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Oil and Gas Properties `us-gaap:ImpairmentOfOilAndGasProperties`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Direct Financing Lease, Net Investment in Lease, Credit Loss Expense (Reversal) `us-gaap:DirectFinancingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Sales-type Lease, Net Investment in Lease, Credit Loss Expense (Reversal) `us-gaap:SalesTypeLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Exploration Abandonment and Impairment Expense `us-gaap:ExplorationAbandonmentAndImpairmentExpense`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Oil and Gas Properties `us-gaap:ImpairmentOfOilAndGasProperties`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Direct Financing Lease, Net Investment in Lease, Credit Loss Expense (Reversal) `us-gaap:DirectFinancingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Sales-type Lease, Net Investment in Lease, Credit Loss Expense (Reversal) `us-gaap:SalesTypeLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Exploration Abandonment and Impairment Expense `us-gaap:ExplorationAbandonmentAndImpairmentExpense`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Oil and Gas Properties `us-gaap:ImpairmentOfOilAndGasProperties`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Oil and Gas Properties `us-gaap:ImpairmentOfOilAndGasProperties`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Exploration Abandonment and Impairment Expense `us-gaap:ExplorationAbandonmentAndImpairmentExpense`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Oil and Gas Properties `us-gaap:ImpairmentOfOilAndGasProperties`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Exploration Abandonment and Impairment Expense `us-gaap:ExplorationAbandonmentAndImpairmentExpense`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Ongoing Project `us-gaap:ImpairmentOfOngoingProject`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Leasehold `us-gaap:ImpairmentOfLeasehold`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Impairment Losses Related to Real Estate Partnerships `us-gaap:ImpairmentLossesRelatedToRealEstatePartnerships`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Impairment of Long-Lived Assets to be Disposed of `us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Impairment, Long-Lived Asset, Held-for-Use `us-gaap:ImpairmentOfLongLivedAssetsHeldForUse`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Impairment of Intangible Assets, Finite-lived `us-gaap:ImpairmentOfIntangibleAssetsFinitelived`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) `us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Goodwill, Impairment Loss `us-gaap:GoodwillImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Finance Lease, Impairment Loss `us-gaap:FinanceLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Operating Lease, Impairment Loss `us-gaap:OperatingLeaseImpairmentLoss`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Impairment of Retained Interest `us-gaap:ImpairmentOfRetainedInterest`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Impairment of Real Estate `us-gaap:ImpairmentOfRealEstate`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down `us-gaap:DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Other Asset Impairment Charges `us-gaap:OtherAssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable
Asset Impairment Charges `us-gaap:AssetImpairmentCharges`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable

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Name	Relation Type	Role
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternative
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeAlternativeStatementTable
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITs
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateExcludingREITsStatementTable
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrusts
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeRealEstateInvestmentTrustsStatementTable
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstate
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectRealEstateStatementTable
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncome
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeStatementTable
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectStatementTable
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenue
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInterestBasedRevenueStatementTable
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperations
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectDepositBasedOperationsStatementTable
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenue
Restructuring, Settlement and Impairment Provisions [Abstract] `us-gaap:RestructuringSettlementAndImpairmentProvisionsAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfIncomeInsuranceBasedRevenueStatementTable
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperations
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectInvestmentBasedOperationsStatementTable
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	parent-child	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperations
Restructuring Costs and Asset Impairment Charges [Abstract] `us-gaap:RestructuringCostsAndAssetImpairmentChargesAbstract`	domain-member	http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirectSecuritiesBasedOperationsStatementTable